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Table 5 Leukemia dataset. Coefficients (coef) and standard error (se) are listed for each implementation

From: Accurate training of the Cox proportional hazards model on vertically-partitioned data while preserving privacy

Covariates

coef_lib

coef_newton

coef_mpc

se_lib

se_newton

se_mpc

Sex

0.263177

0.263171

0.263107

0.449435

0.449435

0.449439

logWBC

1.593608

1.593619

1.593384

0.329995

0.329995

0.329993

Rx

1.390869

1.390877

1.390930

0.456645

0.456645

0.456630

  1. Convergence was reached in three iterations for ‘lib’, and in four iterations for ‘newton’ and ‘mpc’. The secure implementation ‘mpc’ took 167 seconds to complete